To use a
locked phone can definitely dampen the manner in which you put it to use,
particularly when the network isn't the one of your choice. While the majority
of times, the operator involved will allow you to unlock your device for a
tiny fee, not everybody is that that lucky.
Imagine a situation where you are
on vacation abroad and want to make use of a different network's SIM card, only
to learn that you can't as a result of a carrier lockdown. Unlocking can
definitely help you, and save you a bit of money by using the SIM of a local network.
Generally, you
may get nearly every device unlocked by paying a tidy fee straight to the
carrier, or on a number of online services that could let you buy an IMEI unlock.
Nevertheless, in our experience, nothing beats the sensation of accomplishing
such a procedure yourself, and save your hard earned cash at the same time.
Samsung, has normally been at ease about allowing its users to carry out a SIM
unlock procedure on their devices by themselves, providing they know the proper
steps to follow.
Fancy learning how to unlock your new Galaxy S4 today? Stick
with us and we will show you how. This process only works for Samsung's
flagship, Galaxy S4 GT-I9505.
Before
we start, please be advised that the typical disclaimer applies. Experimenting with the carrier lock always carries some risk, and it is a bit more difficult than your
usual Android customising. Follow the tutorial at your personal with great care. Everything
Tech can't be held responsible for no loss whatsoever caused by following
this guide. Bear in mind that, this technique relates to the GT-I9505 only, and
never to other variants of Galaxy S4.
1st
step: Launch the Phone app on the Galaxy S4, and type: *#0011#
2nd step: Click
the Menu button then press the Back key.
After doing this, press the Menu button once more and
choose KEY INPUT. Type in 1 and click the OK button,
the phone will then start service mode.
3rd step: Click Menu
once more and press back. This will bring up the Main Menu for Service Mode. Press
[1] UMTS.
4th step: Now choose [1]DEBUG
SCREEN, and next is [6] PHONE CONTROL.
5th step: In the screen that appears, select
[6] NETWORK LOCK.
6th step: The following screen will
leave you with three options. Choose the one that says [3] PERSO SHA256 OFF.
7th step: You will now need to return
to the Main Menu. To accomplish this, press the Menu button and
straight after the Back key. Now you’re in the Main Menu, choose
option [6]COMMON, followed by [6] NV REBUILD.
8th step: You will get a message saying
that a Golden Backup exists. Click [4] Restore Back-up.
Your device will
now undergo a series of steps by itself, where it'll to start with freeze,
followed by a dark screen with the Blue light on and the button lights on as
well, the last stage is to reboot itself.
The entire cycle usually takes a few
minutes, so be wait patiently. Once the phone is back on, it's no longer
network locked, this unlock is permanent.
Enjoy and let us know how you get on
in the comments bellow.
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